SUSPICIOUS — 9f0d599a.pdf
SUSPICIOUS — 9f0d599a.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100). 2 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
4111ef1160b57bf95c99f349496d45c14c54e5d8a10899553834e4926fa61e26 - SHA-1:
15e78f7940c347206606cfa7fcb4199b6832755f - MD5:
dc6dc04c0596122e905f40818571fb29 - ssdeep:
1536:gGFZFtc3TdOwBMS8RcBvFfn5kXWBxCHKXtwLS8pcpw6zTtdWAE:tFZFtO8qMS8ROFfnSXWBxCHKXwCzZdQ - TLSH:
T18439E0F36047DE8D6DCA6F83AAA810499495DBC93035A7A428CD737CD4BC2ED2E20744 - Submitted as: 9f0d599a.pdf
- File type: pdf · Size: 92519 bytes
- Verdict: suspicious (68/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 68/100 is the fusion of 6 weighted signals:
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=perkins%20braille%20writer%20manual, https://jawokipuroz.weebly.com/uploads/1/3/4/2/134265350/metixomosaloz.pdf, https://uploads.strikinglycdn.com/files/14a7d605-0ca0-4999-aea8-eed767b9ae35/20608363114.pdf - static signal, weight 0.35, confidence 0.60
- Document active content: uri-action - static signal, weight 0.30, confidence 0.60
- Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9794 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- desktop-hsgcbep
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- desktop-hsgcbep(1)._dosvc._tcp.local
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f8de58d4970f8bfb4bd6e1e08a3d5c48.png -
d8fedc15b2088a7ddf93846f91b936be46f2e867a8d5f8c68d8644ce9f70cfa5 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
377a545ade5ec02a3d66b67204e228824fcfc8255ad7f58357b35ed89175a3f3 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/wb?keyword=perkins%20braille%20writer%20manual
- https://jawokipuroz.weebly.com/uploads/1/3/4/2/134265350/metixomosaloz.pdf
- https://uploads.strikinglycdn.com/files/14a7d605-0ca0-4999-aea8-eed767b9ae35/20608363114.pdf
- https://cdn.shopify.com/s/files/1/0503/8394/5885/files/zokazavepiwovunapaxuzez.pdf
- https://cdn.shopify.com/s/files/1/0266/8209/7834/files/defofuzunamonugo.pdf
- https://cdn.shopify.com/s/files/1/0427/8861/8396/files/laxmikant_polity_handwritten_notes.pdf
- https://cdn.shopify.com/s/files/1/0496/6121/4877/files/keurig_2.0_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/4829/4807/files/66618432656.pdf
- https://s3.amazonaws.com/henghuili-files2/dawifikewifikezudixe.pdf
- https://luxexawasoju.weebly.com/uploads/1/3/4/1/134109261/6ae36f3bd.pdf
- https://s3.amazonaws.com/dinigugaxej/hemolytic_anemia_review_article.pdf
- https://cdn.shopify.com/s/files/1/0434/4853/3144/files/nice_guidelines_oxygen_therapy_chest_pain.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787366634&P2=404&P3=2&P4=AjsBt%2bg%2fId59dKTGgsjicxs2Yrfv%2fSx5DXpdLphD%2bmUU9%2fZVSiXwl2jF078kKHR242FYKMYv7zecS1G9fzL20Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/45cd9142-6feb-4946-89e7-63e58fada30a?P1=1787366679&P2=404&P3=2&P4=PKSiYrJWn6sOePT55LyuYIb1uvlz2IVhyi1WKkSTxkyBrzTJ8UYKQhYY4cb8L%2bJtJRwx4vsEunDxUGlocc4ljg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- jawokipuroz.weebly.com
- uploads.strikinglycdn.com
- cdn.shopify.com
- s3.amazonaws.com
- luxexawasoju.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.204
- 74.178.76.44
- 52.110.12.20
- 57.155.104.224
- 4.230.171.124
- 72.153.5.129
- 20.247.184.197
- 203.26.79.13
- 20.165.94.63
- 74.178.240.51
- 52.168.117.169
- 52.168.117.168
- 52.123.252.245
- 74.178.76.128
- 48.192.143.121
- 4.150.223.109
- 4.150.223.112
- 20.42.65.85
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report